Outer-disk H2 in Oph 163131 is v-hot and J-cold from combined UV and cosmic-ray excitation plus collisions, implying an effective CR ionization rate of order 10^{-15} s^{-1}.
Warm molecular hydrogen spectroscopy in the Horsehead nebula
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JWST Edge-on Disk Ice (JEDIce): Vibrationally hot, rotationally cold H$_2$ in the outer disk of Oph 163131 non-thermally excited by UV and cosmic rays
Outer-disk H2 in Oph 163131 is v-hot and J-cold from combined UV and cosmic-ray excitation plus collisions, implying an effective CR ionization rate of order 10^{-15} s^{-1}.